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https://issues.apache.org/jira/browse/SOLR-13252?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Kevin Risden updated SOLR-13252:
--------------------------------
Fix Version/s: (was: 8.x)
> NPE trying to set autoscaling policy for existing collection
> ------------------------------------------------------------
>
> Key: SOLR-13252
> URL: https://issues.apache.org/jira/browse/SOLR-13252
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: AutoScaling
> Affects Versions: 7.7, 8.0, 8.x, master (9.0)
> Reporter: Andrzej Bialecki
> Assignee: Andrzej Bialecki
> Priority: Major
> Fix For: 8.0, master (9.0)
>
> Attachments: SOLR-13252.patch
>
>
> Steps to reproduce:
> * create a collection without collection-specific policy, eg. {{test}}
> * define a collection-specific policy {{policy1}}:
> {code}
> POST http://localhost:8983/solr/admin/autoscaling
> {
> "set-policy":
> {
> "policy1" :[
> {"replica": "<2", "shard": "#EACH", "node": "#ANY"}
> ]
> }
> }
> {code}
> * try to modify the collection to use this policy
> {code}
> http://localhost:8983/solr/admin/collections?action=MODIFYCOLLECTION&collection=test&policy=policy1
> {code}
> A NullPointerException is thrown due to the previous value of the "policy"
> property being absent:
> {code}
> 2019-02-14 18:48:17.007 ERROR
> (OverseerThreadFactory-9-thread-5-processing-n:192.168.0.69:8983_solr)
> [c:test ] o.a.s.c.a.c.OverseerCollectionMessageHandler Collection: test
> operation: modifycollection failed:java.lang.NullPointerException
> at
> org.apache.solr.cloud.api.collections.OverseerCollectionMessageHandler.modifyCollection(OverseerCollectionMessageHandler.java:687)
> at
> org.apache.solr.cloud.api.collections.OverseerCollectionMessageHandler.processMessage(OverseerCollectionMessageHandler.java:292)
> at
> org.apache.solr.cloud.OverseerTaskProcessor$Runner.run(OverseerTaskProcessor.java:496)
> at
> org.apache.solr.common.util.ExecutorUtil$MDCAwareThreadPoolExecutor.lambda$execute$0(ExecutorUtil.java:209)
> at
> java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
> at
> java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
> at java.lang.Thread.run(Thread.java:748)
> {code}
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